CN214955681U - Flexible heating component - Google Patents
Flexible heating component Download PDFInfo
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- CN214955681U CN214955681U CN202120337923.1U CN202120337923U CN214955681U CN 214955681 U CN214955681 U CN 214955681U CN 202120337923 U CN202120337923 U CN 202120337923U CN 214955681 U CN214955681 U CN 214955681U
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Abstract
A flexible heat-generating component relates to the field of heat-generating appliances, and comprises: the hot melt adhesive fiber layer is in a fiber mesh shape and is provided with air holes, and the hot melt adhesive fiber layer is arranged between the first bearing fabric layer and the heating element or between the second bearing fabric layer and the heating element so as to enable the heating element to be fixed between the first bearing fabric layer and the second bearing fabric layer in an adhesion manner; the heating element is a double-layer spiral heating wire, the turning part of the heating element is arc-shaped, the diameter of the circle is the line spacing, and the heating wire layer matched with the first bearing fabric layer and the second bearing fabric layer is formed in a preset heating area according to the preset line length and the preset line spacing. It is fixed in between two-layer bearing fabric through the hot melt adhesive with heating element, also can guarantee heating element's rigidity when the branch power undersize of surface fabric or tensile strength are too little, avoids heating element to appear the displacement and causes the condition that two parts of heating element contacted each other, satisfies the relevant requirement of mechanical strength in national standard GB 4706.8.
Description
Technical Field
The utility model relates to a flexible heating apparatus field particularly, relates to a flexible heating part of flexible heating apparatus.
Background
At present, the flexible parts of the existing household electric blankets, electric heating cushions and similar flexible heating appliances are mostly manufactured into lanes by adopting the processes of needling, fusion welding or sewing and the like, and heating elements (double-layer spiral heating wires) are arranged in the lanes by adopting a manual threading mode. The heating element has a larger moving space in the lane, and when the peeling force of the fabric is too small or the tensile strength is too small, the situation that the two parts of the heating element are contacted with each other due to the displacement of the heating element can occur, which does not meet the related requirements of the mechanical strength in the national standard GB 4706.8.
In view of this, the present application is specifically made.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible heating component, it is fixed in heating element through the hot melt adhesive between the two-layer surface fabric that bears, shells the power undersize or tensile strength also can guarantee heating element's rigidity when the branch of surface fabric, avoids heating element to appear the condition that the displacement sent two parts of heating element to contact each other, satisfies the relevant requirement of mechanical strength in national standard GB 4706.8.
The embodiment of the utility model is realized like this:
a flexible heat-generating component comprising: the hot melt adhesive fiber layer is in a fiber mesh shape and is provided with air holes, and the hot melt adhesive fiber layer is arranged between the first bearing fabric layer and the heating element or between the second bearing fabric layer and the heating element so as to enable the heating element to be fixed between the first bearing fabric layer and the second bearing fabric layer in an adhesion manner;
the heating element is a double-layer spiral heating wire, the turning part of the heating element is arc-shaped, the diameter of the circle is the line spacing, and the heating wire layer matched with the first bearing fabric layer and the second bearing fabric layer is formed in a preset heating area according to the preset line length and the preset line spacing.
And further, the hot melt adhesive fiber layer is sprayed on one side of the first bearing fabric layer or the second bearing fabric layer.
Furthermore, the area of the hot melt adhesive fiber layer is the same as that of the first bearing fabric layer or the second bearing fabric layer.
Furthermore, the area of the heating element is smaller than that of the first bearing fabric layer or the second bearing fabric layer.
The embodiment of the utility model provides a beneficial effect is:
the embodiment of the utility model provides a can bear precoat one side or second through bearing at first bear precoat one side and set up the hot melt adhesive fiber layer to can make heating element directly glue and glue in first bear precoat or second and bear the precoat, and can also utilize the hot melt adhesive fiber layer, make first bear precoat and second bear the precoat and adhere each other, thereby make heating element bonding be fixed in between first bear precoat and the second bear precoat.
The hot melt adhesive fiber layer is arranged into a fiber net shape, so that the hot melt adhesive fiber layer can stably adhere and fix the heating element, and the thickness of the hot melt adhesive fiber layer cannot influence the overall softness, comfort and air permeability; the traditional wiring mode that the heating element can move in the channel is changed into the bonding and fixing mode, so that the heating element is bonded and fixed between the first bearing fabric layer and the second bearing fabric layer, the heating element is prevented from being displaced, and the problem that the two parts of the heating element are contacted with each other to cause heat accumulation due to the displacement of the heating element is effectively solved; in addition, the turning part of the heating element is arc-shaped, so that the damage of the internal structure of the heating element caused by right-angle turning is avoided.
Generally, the embodiment of the utility model provides a flexible heating part, it is fixed in heating element between the two-layer surface fabric that bears through the hot melt adhesive, peels the power undersize or tensile strength is too little when the branch of surface fabric and also can guarantee heating element's rigidity, avoids heating element to appear the condition that the displacement sent two parts of heating element to contact each other, satisfies the relevant requirement of mechanical strength in national standard GB 4706.8.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;
fig. 2 is a schematic distribution diagram of the heating wire layer provided by the embodiment of the present invention.
Icon: 1-hot melt adhesive fiber layer, 2-first bearing fabric layer, 3-second bearing fabric layer and 4-heating wire layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "parallel," "perpendicular," and the like do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1 and fig. 2, the present embodiment provides a flexible heat generating component, including: the hot melt adhesive fabric comprises a hot melt adhesive fiber layer 1, a first bearing fabric layer 2, a second bearing fabric layer 3 and a heating wire layer 4.
Wherein, the hot melt adhesive fiber layer 1 is in a fiber mesh shape and is provided with air holes; the hot melt adhesive fiber layer 1 is arranged between the first bearing fabric layer 2 and the heating element or between the second bearing fabric layer 3 and the heating element, so that the heating element is adhered and fixed between the first bearing fabric layer 2 and the second bearing fabric layer 3;
the heating element is a double-layer spiral heating wire, the turning part of the heating element is arc-shaped, the diameter of the circle is the line spacing, and the heating wire layer 4 matched with the first bearing fabric layer and the second bearing fabric layer is formed in a preset heating area according to the preset line length and the preset line spacing.
It should be noted that the flexible heating component is a flexible component of an electric blanket, an electric heating pad and similar flexible heating appliances, and the embodiment is specifically in the field of household electric blankets, but is not limited to the field of household electric blankets.
Can set up hot melt adhesive fiber layer 1 through 2 one sides at first bearing surface precoat or second bearing surface precoat 3 one side to can make heating element directly glue in first bearing surface precoat 2 or second bearing surface precoat 3, and can also utilize hot melt adhesive fiber layer 1, make first bearing surface precoat 2 and second bearing surface precoat 3 adhere to each other, thereby make heating element be fixed in between first bearing surface precoat 2 and the second bearing surface precoat 3.
Through the design, can be with the traditional heating element can be in the moving wiring mode in the lane, change into this kind of fixed mode of bonding into, thereby guarantee that the heating element bonding is fixed in between first bearing surface fabric layer 2 and the second bearing surface fabric layer 3, guarantee that the heating element can not the displacement, thereby effectually prevented that the heating element displacement from causing two parts of heating element to contact each other, cause the problem of heat gathering, heating element's turning department is convex, it causes heating element inner structure impaired to have avoided the quarter turn.
Generally, the embodiment of the utility model provides a flexible heating part, it is fixed in heating element between the two-layer surface fabric that bears through the hot melt adhesive, peels the rigidity that power undersize or tensile strength also can guarantee heating element when the branch of surface fabric, avoids heating element to appear the condition that the displacement sent two parts of heating element to contact each other, has guaranteed that heating part can satisfy the relevant requirement of mechanical strength in national standard GB 4706.8.
In this embodiment, the hot melt adhesive fiber layer 1 is set to be in a fiber mesh shape and is sprayed on one side of the first bearing fabric layer 2 or the second bearing fabric layer 3. Not only ensures that the hot melt layer can stably adhere the heating element, but also ensures that the thickness of the hot melt adhesive fiber layer 1 can not influence the whole softness, comfort and air permeability.
It should be noted that the fiber net shape means that when the hot melt adhesive is sprayed out by a spray head, the fiber net shape is formed on the surface of the first bearing fabric layer 2 or the second bearing fabric layer 3; the method is different from the traditional method of rolling and coating viscose or spraying in a bead shape to completely cover the bearing surface material layer (the viscose can permeate into the bearing surface material layer in the method, the comfort and the air permeability of the flexible heating part are influenced, the glue consumption is large, and the bonding effect is low).
In this embodiment, the hot melt adhesive is a moisture-curable reactive polyurethane hot melt adhesive, and needs to be heated (at a heating temperature of 150 ℃ -200 ℃) before being sprayed on the first bearing fabric layer 2 or the second bearing fabric layer 3, so that the hot melt adhesive can be melted and sprayed on the first bearing fabric layer 2 or the second bearing fabric layer 3, and meanwhile, based on the characteristics of the hot melt adhesive material, the hot melt adhesive can be guaranteed not to be heated and melted again after the flexible heating component is manufactured; thereby ensuring the reliability of the flexible heating component and prolonging the service life of the flexible heating component.
Referring to fig. 2, in this embodiment, when the double-layer spiral heating wires are arranged, the turning positions of the double-layer spiral heating wires are arc-shaped, that is, the diameters of circles are line distances (the diameters of the arcs at the turning positions can be correspondingly adjusted according to electric blankets of different specifications, so as to adjust the line distances of the arrangement of the heating wires), and the double-layer spiral heating wires are arranged in a preset heating area according to a preset line length b and a preset line distance a, so as to form a heating wire layer 4 matched with the first bearing fabric layer 2 and the second bearing fabric layer 3.
Furthermore, in order to fix the heating element by using the hot melt adhesive fiber layer 1, the first bearing fabric layer 2 and the second bearing fabric layer 3 can be bonded and fixed; in this embodiment, the area of the hot melt adhesive fiber layer 1 is the same as the area of the first bearing fabric layer 2 or the second bearing fabric layer 3 (i.e. the hot melt adhesive covers the first bearing fabric layer 2 and the second bearing fabric layer 3 completely when being sprayed). The design can utilize hot melt adhesive to bond the first bearing fabric layer 2 and the second bearing fabric layer 3, so that the processing is more convenient and faster, and the first bearing fabric layer 2 and the second bearing fabric layer 3 do not need to be subjected to transmission processing, such as fixing by adopting needling, sewing or fusion welding; therefore, the processing difficulty is effectively reduced, and the processing convenience and the processing efficiency are improved.
Further, in the present embodiment, the area of the heating wire layer 4 is smaller than the area of the first bearing fabric layer 2 or the second bearing fabric layer 3.
It should be noted that, first bearing surface precoat 2 and second bearing surface precoat 3 make according to the size of different beds in the domestic electric blanket of tradition, multiple size is in order to adapt to different consumers 'needs, under this prerequisite, first bearing surface precoat 2 and second bearing surface precoat 3's surface is the rectangle more, heating wire layer 4 is according to predetermined line length b in the predetermined heating area this moment, line distance a arranges, heating wire layer 4's length slightly is less than first bearing surface precoat 2's length, heating wire layer 4's width slightly is less than first bearing surface precoat 2's width, this is the conventional design in domestic electric blanket field, do not do this and give unnecessary details here.
In addition, when the heat generating line is applied to the field of heating cushions and the like, the arrangement route of the heat generating line can also adopt various types such as circles, but the corresponding circle area of the heat generating line is smaller than the area of the first bearing fabric layer 2 or the second bearing fabric layer 3.
To sum up, the utility model discloses it is fixed in heating element between the two-layer surface fabric that bears through the hot melt adhesive, shells power undersize or tensile strength when the branch of surface fabric and also can guarantee heating element's rigidity when too little, avoids heating element to appear the displacement and causes the condition that two parts of heating element contacted each other, satisfies the relevant requirement of mechanical strength in the national standard GB 4706.8.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A flexible heat-generating component, comprising: the hot melt adhesive fiber layer is in a fiber mesh shape and is provided with air holes, and the hot melt adhesive fiber layer is arranged between the first bearing fabric layer and the heating element or between the second bearing fabric layer and the heating element so as to enable the heating element to be fixed between the first bearing fabric layer and the second bearing fabric layer in an adhering manner;
the heating element is a double-layer spiral heating wire, the turning part of the heating element is arc-shaped, the diameter of the circle is the line spacing, and the heating wire layer matched with the first bearing fabric layer and the second bearing fabric layer is formed in a preset heating area according to the preset line length and the preset line spacing.
2. Flexible heat-generating component according to claim 1, characterized in that the layer of hot melt adhesive fibres is sprayed on one side of the first or second carrier-fabric layer.
3. Flexible heat-generating component according to claim 1, characterized in that the area of the layer of hot melt adhesive fibres is the same as the area of the first or second layer of load-bearing fabric.
4. Flexible heat-generating component according to claim 1, characterized in that the area of the heat-generating element is smaller than the area of the first or second carrier-fabric layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120337923.1U CN214955681U (en) | 2021-02-06 | 2021-02-06 | Flexible heating component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120337923.1U CN214955681U (en) | 2021-02-06 | 2021-02-06 | Flexible heating component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214955681U true CN214955681U (en) | 2021-11-30 |
Family
ID=79120715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120337923.1U Active CN214955681U (en) | 2021-02-06 | 2021-02-06 | Flexible heating component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214955681U (en) |
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2021
- 2021-02-06 CN CN202120337923.1U patent/CN214955681U/en active Active
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